M 6.9 earthquake – 153 km ENE of Wuwei, China
·
Local time: Jul 31, 1954 · 09:00 (UTC+8)
StrongShallow · 25 km
Reviewed by a seismologist
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- Magnitude
- 6.9moment magnitude (mw)
- Depth
- 25 kmShallow earthquake
- Epicenter
- 38.622, 104.151134 km from Bayan Hot
- Energy released
- 338 kilotons of TNTabout 23 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 7.5max. instrumental (MMI)
- Aftershocks
- 0M2.5+ within 64 km
- Significance
- 724USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Feb 11, 1954.
How strong was it?
Strong earthquake. It released 338 kilotons of TNT, 708 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
The strongest earthquakes within 300 km
Since 1900, around China.
- 7.9 125 km E of Baiyin, China Dec 16, 1920
- 7.7 31 km SSW of Wuwei, China May 22, 1927
- 7.0 139 km ENE of Baiyin, China Dec 25, 1920
- 7.0 66 km E of Zhangye, China Feb 11, 1954
- 6.6 northern Qinghai, China Jan 7, 2022
- 6.3 50 km SW of Wuwei, China Mar 7, 1928
- 6.1 138 km SSW of Yinchuan, China Dec 28, 1920
- 6.0 77 km SE of Wuwei, China May 23, 1927